winstart001.exe is and add-on for Internet Exploring allowing you to find sites related to a specific keyword. This process is an adware and should be removed to free up valuable resources.
Non-system processes like winstart001.exe originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues